Class Hierarchy

• exceptions.BaseException: Common base class for all exceptions
  • exceptions.Exception: Common base class for all non-exit exceptions.
    • exceptions.StandardError: Base class for all standard Python exceptions that do not represent interpreter exiting.
      • exceptions.RuntimeError: Unspecified run-time error.
        • mpi4py.MPI.Exception: Exception
• mpi4py.MPI.Comm: Communicator
  • mpi4py.MPI.Intercomm: Intercommunicator
  • mpi4py.MPI.Intracomm: Intracommunicator
    • mpi4py.MPI.Topocomm: Topology intracommunicator
      • mpi4py.MPI.Cartcomm: Cartesian topology intracommunicator
      • mpi4py.MPI.Distgraphcomm: Distributed graph topology intracommunicator
      • mpi4py.MPI.Graphcomm: General graph topology intracommunicator
• mpi4py.MPI.Datatype: Datatype
• mpi4py.MPI.Errhandler: Error Handler
• mpi4py.MPI.File: File
• mpi4py.MPI.Group: Group
• mpi4py.MPI.Info: Info
• mpi4py.MPI.Message: Message
• mpi4py.MPI.Op: Op
• mpi4py.MPI.Request: Request
  • mpi4py.MPI.Grequest: Generalized request
  • mpi4py.MPI.Prequest: Persistent request
• mpi4py.MPI.Status: Status
• mpi4py.MPI.Win: Window
• mpi4py.MPI.memory: Memory